three bells ring at intervals of 15 ,20 and 30 minutes if they ring together at 11 a.m. at what time will they next bring together
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Answered by
2
Answer:12 PM
Step-by-step explanation:
MULTIPLES OF 15-15,30,45,(60)
MULTIPLES OF 20-20,40,(60)
MULTIPLES OF 30 -30,(60)
11:00+60 MINUTES =12:00PM
Answered by
1
Answer:
take lcm of 15 20 and 30 when LCM will come then take out its hrs for eg- LCM is 120 it is equal to 2 hrs then plus the LCM hrs by 11 then ans will come
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